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United States Patent | 5,012,415 |
Boe ,   et al. | April 30, 1991 |
A microprocessor-based control system includes an automatic calibration and configuration feature. A calibration and configuration algorithm operates to establish the sensor ranges of all sensors installed and disables certain configurable features if the associated sensors are not present. The algorithm also provides a functional test of the control system during the calibration process.
Inventors: | Boe; Thomas E. (Grundy County, IA); Bergene; Mark A. (Cedar Falls, IA); Kittle; Carl E. (Cedar Falls, IA); Sparks; Gregory E. (Waterloo, IA) |
Assignee: | Deere & Company (Moline, IL) |
Appl. No.: | 469655 |
Filed: | January 23, 1990 |
Current U.S. Class: | 701/50; 172/3; 172/7; 702/105 |
Intern'l Class: | A01B 063/112 |
Field of Search: | 364/424.03,424.04,424.05,424.07,550,551.01,431.11,571.01 371/15.1 324/73.1 172/2,3,7,9 |
4495577 | Jan., 1985 | Strunk et al. | 364/424. |
4508176 | Apr., 1985 | Wiegardt et al. | 172/7. |
4518044 | May., 1985 | Wiegardt et al. | 364/424. |
4760330 | Jul., 1988 | Lias, Jr. | 371/15. |
4763124 | Aug., 1988 | Kovacs et al. | 324/73. |
4837691 | Jun., 1989 | Boe et al. | 364/424. |
4924398 | May., 1990 | Fujiwara | 364/431. |
______________________________________ No. of Tractor Lift Cyl. Display ______________________________________ Row-crop 0 127 1 129 2 131 4-WD NA 137 ______________________________________